package Demo01;

public class test {

//    public static void main(String[] args) {
//        coolboy boy1=new coolboy();
//        boy1.setname("张三");
//        System.out.println(boy1.getName());
//        boy1.singing();
//
//    }

//    public static void main(String[] args) {
//        coolboy[] coolboys=new coolboy[10];
//        int[] array={1,2,3};
//    }
}
